Year	current US$
1960	1286947187.2340875
1961	1375563186.4297864
1962	902754012.2703124
1963	1283685474.4744744
1964	1831961032.0313323
1965	1749225580.2788804
1966	741086989.5324156
1967	1067243108.7746667
1968	814151896.5053333
1969	886299880.1373333
1970	1669976113.992
1971	1763202712.284289
1972	1783758051.9587703
1973	2388913543.5155945
1974	5879125300.331864
1975	1802460516.8127015
1976	955595933.0658123
1977	2800777225.407671
1978	4473562930.30691
1979	4958678253.417449
1980	-225898645.24178976
1981	11015238683.476372
1982	8268843838.253717
1983	1026932918.8266684
1984	5178744435.764345
1985	10794997954.927088
1986	7879831437.356586
1987	3860452079.857347
1988	8039526031.708128
1989	6762261697.162542
1990	4025165373.5682654
1991	1502248896.7559323
1992	6774919395.397423
1993	-2657067379.255079
1994	9658791597.02133
1995	14466812580.546099
1996	-6936727535.0310955
1997	1425098114.6428134
1998	-2036803146.5579464
1999	12031848579.434137
2000	-4919477630.98193
2001	-3169849092.8128304
2002	6922863915.100752
2003	9736996947.319002
2004	21747530096.513733
2005	28745676785.80879
2006	39633305674.09585
2007	61027974372.60541
2008	28307162769.99915
2009	46041525601.424
2010	73186001532.63028
2011	43400854485.83046
2012	39428028171.31278
2013	23903589800.12535
2014	51141496298.82126
2015	40092151200.448616
2016	20587312274.958363
2017	36860024612.88106
2018	45512196104.21776
2019	19074266074.199516
2020	5181538734.948173
2021	28701481765.563095
2022	34483292313.85661
2023	35349194035.82609